Parents receive 1 out of every 5 Valentines.
20
Kissing an infection-free partner is good for your teeth!
141
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When dragonflies mate, their tails form a love heart.
22